BCM5464R的最新版器件手册。
TheBCM5464Rtransceiverconsistsoffourtriplespeed10/100/1000BASE-TEthernettransceivers.Thedeviceperformsallofthephysicallayerfunctionsfor1000BASE-T,100BASE-TXand10BASE-TEthernetonstandardCategory5UTPcable.TheBCM5464RisdesignedtobefullycompliantwiththeSGMII,RGMII,andRTBIindustrystandards.TheBCM5464RisbasedonBroadcom’sprovendigitalsignalprocessortechnology,combiningdigitaladaptiveequalizers,ADCs,phase-lockedloops,linedrivers,encoders,decoders,echocancelers,crosstalkcancelersandallotherrequiredsupportcircuitryintegratedintoasinglemonolithicCMOSchip.Designedforreliableoperationoverworst-caseCategory5cableplants,theBCM5464Rautomaticallynegotiateswithanytransceiverontheoppositeendofthewiretoagreeonanoperatingspeed.ThePHYcanalsoevaluatetheconditionofthetwisted-pairwiringtoensurethatthewiringcansupportoperationatGigabitspeeds,anddetectandcorrectmostco妹妹onwiringproblems.Thedevicecontinuallymonitorsboththewiringandtheopposingtransceiver,andalertsthesystemifitdetectspotentialproblemswithreliableoperation.Forsingle-portapplications,refertotheBCM5461orBCM5461Sdatasheets
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